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C. B. HATFIELD.

. BUTTON FLY SGALLOPING MAGHINB. No. 347,105. Patented Ang. 10i 1886.

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UNITED STATES PATENT innen.

CHARLES B. HATFIELD, OF ROCHESTER, NEV YORK.

'BUTTON-FLY-SCALLOPING MACHINE.

SPECIFICATION forming part of Letters Patent No. 347,105, dated August 10, 1886.

Application filed April l5, 1886- Serial No. 198,977. (No model.)

To all whom it may concern:

Be it known that I, CHARLEs B. HATFIELD, of Rochester, in the county of Monroe and State of N ewYork, have invented certain new and useful Improvements yin Button`Fly-Scal1oping Machines; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, and to the figures and letters of reference marked thereon.

My present invention relates particularly to that elass'of machines for which Letters Patent of the United Sta-tes No. 338,665 were granted to me on the 23d day of March, 1886; and it consists incertain novel improvements, which I will rst describe, and then point out particularly in the claims at the end of this specification. Y

Referring to the accompanying drawings, Figure lis a side elevation of my improved Fig. 2 is a sectional view taken on the line x a', Fig. 3. Fig. 3 is a top plan view with the chisel-supporting devices removed. Fig. 4L is a sectional view taken on the line y y, Fig. l. Fig. 5 is a sectional View of a standard, taken on the line z z, Fig.v l, and showing one of the bearings of the plunger through which motion is communicated to the chisel. Fig. 6 is a View of the tripping device on the plunger.

Similar letters .of reference-in the several figures indicate the same parts.

The letter A represents the stand ard or main body of the machine, preferably mounted on suitable legs, as shown.

B is a Xed bed-plate secured firmly to the standard.

C is a movable bed-plate, formed with a central hub, C', extending above and below it, the lower portion of said hub being fitted into a corresponding aperture formed in the Xedbed-plate B, and serving'as a pivot upon which said movable bed-plate may be turned.

Dis a shaft, the upper end of which eX- tends through the hub of the movable bedplate, and has secured to it a head or stop, E, as shown. This head or stop is provided with pins or projections F,which `enter corresponding sockets, G, formed upon the movable bedplate. i By this construction the turning of the l shaft also turns the bed-plate. A spring, II, connected at one end to the shaft D and at the other to the stationary bed-plate of the machine, tends to turn the shaft and the parts attached to itin one direction. The lower `end of the shaft D is jointed to another shaft,

D, so that the turning of one shaft will not affect-the position of the other. Shaft D is in turn connected to a foot-treadle, I.

K is a block, of wood or other light material, mounted upon the movable bed-plate C, andserving as a support for the work and as a bed for the chisel to work against.

' L is a presser-bar, mounted upon an arm or slide, M, that passes transversely through the head or stop E, as shownin Figs. l, 2, and 3. This presser-bar is adapted to clamp the button-liys down upon the block K, and to hold them securely while they are being operated upon by the chisel. It has attached to it a guide, N, against which the back of thecutting-chisel O rests. The cutting-chisel is shaped in crosssection, as represented in Fig. 3. Its shank at its extremity is made cylindrical and is inserted in a corresponding opening in sliding block P, that is adapted to slide back and forth in anarm, Q, secured to the upper end of the plungerR. (Shown in Fig. l.) Aspring, connected at one end to a projection on a rear extension, Q, of the arm Q, and at the other to the chiselsocket I), serves to keep the back of the chisel pressed at all times against the guide N. The plunger R is mounted in bearings U U, preferably of Babbitt metal, arranged in a hollow standard, A, and is adapted to be moved downwardly, so as to cause the chisel to descend by the operation of the foot nected to said foot-lever, as shown in Fig. l.

For the purpose of `preventiong the plunger from turning on its vertical axis, a rod, T, se-

cured to the xed bed-plate B, is caused to pass through the rear extension, Q, of the arm Q, and in order to limit the extent of the vertical imovements of said plunger adjust-able nuts or stops T are provided on said rod T above and below said extension. y e

B B are a series of racks or gages mounted IOO lro

so as to turn upon common pivots D in bearings A A', secured to the movable bed-plate C. Each of these rack-bars or gages has a different number of teeth, and one or the other of them is employed, accordingly as it is desired to cut more or less scallops in the buttonilies. A spring-catch or other contrivance, I, is employed for locking the rack-bars at the desired point.

F is a pawl pivoted to the stationary bed- Lplate B, and F2 a spring which operates to keep said pawl normally engaged with one or the other ofthe racks or gages. A rod, G2, is connected at one end to the lower end ofthe pawl F, and at the other end to a pivoted lever, H2, as shown in Fig. l.

Upon the plunger It is arranged a collar, I, adapted to be secured at the proper point bya set-screw, l. Thiscollarbearsapivoted latch, l, which is normally held in a horizontal position by a spring, It, though it is capable of beingswuug upward ly when su fiicientpressure is applied beneath it to overcome the force of the spring.

The spring H, mounted on the shaftl), tends to rotate the movable bed-plate C, as before stated, and each time the pawl F is moved out of engagement from the rack orgage with which it happens to be cooperating, and is then released, the said spring H will cause the movable bed-plate, and with it the work-supporting block, to be rotated under the cutting-chisel the distance of one tooth. New, the latch l on the plunger E is so arranged that each time the plunger is caused to descend and bring the chisel down upon the work said latch will be raised or tripped by the levcr H, and each time the plunger is allowed to risc,so as to elevate the chisel,said latch will turn the lever H2 on its pivot and, through the rod G2, cause the pawl F to be momentarily disengaged from the rack-bar or gage, thus accomplishing the automatic feeding or rotation of the work beneath the chisel. In my former patented machine this feeding movement had to be done by hand.

IV IV are two rods passing through guideopenings in the stoel; or head E, and each connected at its outer end to an indicator or pointer, X, which embraces the presser-bar L and extends slightly beyond the same,as shown in Fig. 3. The rods XV, it will be observed, are located on lines radiating from the center of motion of the Work-support, and are the same number of degrees apart as would be radial lines drawn from said center of motion through the extremes of the toothed portions of the rack-bars or gages, and whether said rods are forced inward or outward by the adj ustment of the presser-bar, the indicators denote the extremes of movement of the Work beneath the chisel as controlled by the rackbars or gages. So far as described these rods and indicators are the same as those shown in my former patent. My present improvement upon them consistsin providing one or both of them with a guide or ilange, K, against which the end or ends of the dies to be scalloped are placed, so as to insure their proper location.

Secured to the presser-bar L is a bar, P, having marks or graduations upon it numbered to correspond to the size of the flies to be operated upon. This bar projects rear- Wardly over the head or Stock E, and with it co-opcrates a pointer or iudicatingfinger, It', mounted ou said head or stock, as shown in Fig. 3.

In the use of the machine two adjustments have to be made before commencing operationsthat is to say, an adj ustment which shall adapt the machine tothe size or length of the dies proposed to be operated upon,- and an adjustment which shall determine the number of scallops to be made in such ilies. The adjustment as to size is effected by moving the presser-bar L inwardly or outwardly till the pointer R stands opposite the number on the graduated bar I corresponding to the size ol" the flies to be scalloped, and the adjustment as to number of scallops is effected by bringing the rack or gage having anumber of teeth corresponding to the number of scallops desired to be formed on theiiies into eo-opcration ivith the pawl Ii". It will of course be understood that the position of the presserbar and indicators does not at all change the effect of any given rack or gage, but that the same number of scallops upon the flies will be produced by a given rack or gage, Whether said dies be of the largest or shortest size. The requisite adjustments having been made, the operator presses ou the treadle l, so as to raise the presser-bar above the block K. Ile then places a pile of dies beneath the presserbar, taking care that the end or ends of the same shall abut against the flange o1' ilanges K. Upon removing his foot from the trcadle I the presser-bar will descend and hold the pile of flies in position. Then commencing with the pawl F in engagement with the first tooth of the appropriate rack or gage, he depresses and releases the treadleV the number of times necessary to complete the work. At each depression the chisel will descend and make a scallopl in the superposed flics, and at each release the pawl will be automatically operated and the work-support advanced the distance of one tooth of the gage, as before explained, and so on till the scalloping is completed. To increase or diminish the number of the scallops, it is only necessary to bring another rack or gage into operation, and to change the adjustment for fiies of different length the presser-bar need only to be moved ont or in until the proper graduation on the rod or bar P comes opposite the pointer R.

Vhat I claim as new, and desire to secure by Letters Patent, is-

l. In a buton-iiy-scalloping machine, the combination, with a cutting-chisel, of a movable support for the work, means-such as a spring-for automatically moving saidsupport, and a gage for regulating the number of ICO -times the support is to be arrestedin its movement, substantially as described.

2. In a button-ily-scalloping machine, the combination, With a cuttingchisel,and means, substantially as described, for operating the same, of a movable support for the Work, means-such as a spring-for automatically movingsaid support, agage for regulating the number of times the support is to be arrested in its movement, and a tripping device actuated by the chisel-operating mechanism for permitting the advance of the support step by step, substantially as described.

3. In a button-fly-scalloping machine, the combination, with a cutting-chisel, of a movable support for the Work, a series of different gages rotating on acommon aXis different from that of the Work-support for regulating the number of times the said support is to be arrested, and a stop for co-operating with said gages, substantially as described.

4. In a button-dy-scalloping machine, the combination of a movable support for the Work, a presser-bar for holding down the Work, a cutting-chisel adjustable laterally of the Work-support, and a guide for determining the lateral position of the chisel with respect to the Work, substantially as described. f

5. In a button-fly-scalloping machine, the combination of a movable support for the work, a presser-bar for holding down the Work, a laterally-adjustable cutting-chisel, a guide for determining the lateral position of -the chisel With respect to the Work, and meanssuch as aspring-for holding the chisel against the guide, substantially as described.

6. In a button-fly-scalloping machine, the combination of a rotatable support for the work, indicators adjustable on lines radiating from the center of motion of the work-support, and having guides for determining the proper position ofthe Worl .substantially as described.

7. In a button-iiy-'scalloping machine, the combination of a rotatable support for the Work, a presserbar, indicators adjustable on lines radiating from the center of motion of the Work-support, and also on the presserbar, and having guides for the proper adjustment of the Work, substantially as described.

8. In a button-iiyscalloping machine, the combination of the reciprocating plunger having the horizontal guiding-arm with the chisel-socket and the spring, substantially as described.

9. In a button-ily-scalloping machine, the combination of the reciprocating plunger having the horizontal guiding-arm ivith the chisel-socket, the spring. the chisel adjustable in the socket, and the chisel-guide, substa-ntially as described.

10. In a button-tly-scalloping machine, the combination, With the reciprocating plunger carrying the chisel, and having the rearward extension, of the guide-rod `passing through said rear extension, and the adjustable stops mounted on said guide-rod, substantially as described.

1I. In a button-tly-scalloping machine, the combination,with the rotatable'bed-plate having the sockets, of the shaft or plunger, the head or stock secured to the upper end of said shaft, and having the pins for entering the sockets on the bed-plate, substantially as described.

12. In a button-tly-scalloping machine, the combination of the rotatable bed-plate, the divided vertical shaft having the head or stock at its upper end connected to the movable bed-plate by the pin-aud-socket connection, and the spring connected at one end to the said shaft and at the other to the stationary part ofthe machine. substantially as described.

13. In a button-tly-scalloping machine, the combination of the movable bed-plate, and means, substantially as described, for rotating it, the toothed gage mounted thereon,with the pivotcd spiing-pawl, the tripping-lever pivoted to the standard, the connection between said rod and tripping-lever, and the projection on the chisel-actuating plunger, substantially as described.

14. In a button-fly-scalloping machine, the combination o't' the rotatable support for the Work, the head or stock, a. presser-bar adjustable toward and from. said head or stock, the radially-adjustable indicators, and the graduated bar for indicating the extent of movementl necessary to adapt the machine to different-sized dies, substantially as described.

CHARLES B. IIA'IFIELD.

Witnesses:

A. S. STEWART, Tuoi/[As DURANT. 

